-32.86% is the change from 916 to 615
Calculation steps:
[( 615 - 916 ) ÷ 916] x 100 = -32.86%
Formula
Percentage change = [(615 - 916) / 916] x 100
Subtract the new number by the original number
615 - 916 = -301
-301 ÷ 916 = -0.32860262008733626
-0.32860262008733626 x 100 = -32.86%